CN107676842B - The system of hydro-thermal alliance and the regulation method of the system are realized using residual heat of electric power plant - Google Patents
The system of hydro-thermal alliance and the regulation method of the system are realized using residual heat of electric power plant Download PDFInfo
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- CN107676842B CN107676842B CN201711063281.5A CN201711063281A CN107676842B CN 107676842 B CN107676842 B CN 107676842B CN 201711063281 A CN201711063281 A CN 201711063281A CN 107676842 B CN107676842 B CN 107676842B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1066—Arrangement or mounting of control or safety devices for water heating systems for the combination of central heating and domestic hot water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/16—Waste heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
Abstract
The present invention relates to a kind of regulation methods of system and the system that hydro-thermal alliance is realized using residual heat of electric power plant, system includes the desalination plant and residual heat of electric power plant recyclable device of Power Plant Side, desalination plant output end is connect by the first pipeline with residual heat of electric power plant recyclable device input terminal, residual heat of electric power plant recyclable device output end is connect with hydro-thermal alliance conveyance conduit, and hydro-thermal alliance conveyance conduit is connect with heat supply high-temperature conduit；User area is provided with first end heating plant group, input terminal is connect with heat supply high-temperature conduit, and output end connects heat supply low temperature water pipe；Second end heating plant group is also set up in user area, input terminal is connect with heat supply low temperature water pipe, and output end connects system water supply pipe；Bypass line and a control valve is respectively set between the first pipeline and hydro-thermal alliance conveyance conduit, between hydro-thermal alliance conveyance conduit and system water supply pipe, between system water supply pipe and heat supply low temperature water pipe.
Description
Technical field
The present invention relates to a kind of regulation methods of system and the system that hydro-thermal alliance is realized using residual heat of electric power plant, belong to confession
Thermal technology field.
Background technique
With quickly propelling for Chinese Urbanization, the demand sharp increase of concentrated supply of heating in the city, by 2015, China was northern
Side area urban heating area has had reached 13,100,000,000 square meters, and heating energy consumption reaches 1.85 hundred million tons of standard coals, and there are many northern China
City has had already appeared the phenomenon that heat source insufficiency.At the same time, heating system also faces the pressure of supply side reform, bans scattered
Coal combustion and arcola, pressure subtract the main trend that large coal-fired boiler has become energy resource structure transition.Coal-burning boiler carries me
The area of heat-supply service of state nearly 60% will certainly be further exacerbated by heat source degree in short supply if its scale down.Therefore, how to seek
More heat sources, especially low-carbon cleaning heat source is looked for have become urgent problem to be solved instantly.
North China is the place of China's most water shortage, since industrial agricultural is flourishing, populous, North China's water consumption
Greatly, but year water resources quantity is less than 200 cubic metres per capita.And North China is monsoon climate of medium latitudes, annual precipitation concentrates on
7, August part, and more heavy rains, most water resources have little time to add pollution of waterhead using ocean is just flowed into the form of flood, can
Water consumption is less.How to solve the problems, such as water shortage problem equally is that north city faces.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of system using residual heat of electric power plant realization hydro-thermal alliance and being somebody's turn to do
The regulation method of system, the system have the advantage of energy-saving and emission-reduction and can solve water shortage problem to a certain extent.
To achieve the above object, the invention adopts the following technical scheme: a kind of realize hydro-thermal alliance using residual heat of electric power plant
System, it is characterised in that: desalination plant and residual heat of electric power plant recyclable device including Power Plant Side is arranged in, the sea water desalination
The output end of device is connect by the first pipeline with the input terminal of the residual heat of electric power plant recyclable device, the residual heat of electric power plant recycling dress
The output end set is connect with hydro-thermal alliance conveyance conduit, and the hydro-thermal alliance conveyance conduit extends to the use with water, heat demand
It family region and is connect with heat supply high-temperature conduit；First end heating plant group, the first end are provided in user area
The input terminal of heating plant group is connect with heat supply high-temperature conduit, and the output end connection heat supply of the first end heating plant group is low
Warm water tube；Be additionally provided with second end heating plant group in the user area, the second end heating plant group it is defeated
Enter end to connect with the heat supply low temperature water pipe, the output end of the second end heating plant group connects system water supply pipe；Institute
It states and is provided with the first bypass pipe between the first pipeline and the hydro-thermal alliance conveyance conduit, is arranged on first bypass pipe
One control valve；It is provided with the second bypass pipe between the hydro-thermal alliance conveyance conduit and the system water supply pipe, described
Second control valve is set on the second bypass pipe；Third is provided between the system water supply pipe and the heat supply low temperature water pipe
Third control valve door is arranged in bypass pipe on the third bypass pipe.
The processing equipment of the system water supply pipe and water treatment plant is connected or is directly connect with water system.
The first end heating plant group includes at least one first end heating plant；When the first end heat supply
When device is multiple, it is connected in parallel between each first end heating plant；The second end heating plant group includes extremely
A few second end heating plant；When the second end heating plant is multiple, each second end heating plant
Between be connected in parallel；The first end heating plant and the second end heating plant are both connected in heat supply heat supply network.
The residual heat of electric power plant recyclable device uses steam exhaust condensing heat exchanger, absorption heat pump and steam extraction vapor-water heat exchanger.
The Power Plant Side be provided with for for the desalination plant and residual heat of electric power plant recyclable device provide pumping with it is weary
The steam turbine of vapour.
The hydro-thermal alliance conveyance conduit uses the aqueduct with insulating layer.
A kind of regulation method of system that realizing hydro-thermal alliance using residual heat of electric power plant, it is characterised in that: during heat supply, electricity
Factory's waste-heat recovery device and end heating plant group run well, and the first control valve and second controls valve closing, and adjust the
Three control valves control the fresh-water flow for flowing through second end heating plant group, and desalination plant utilizes seawater preparing fresh,
Fresh water, which passes through, is heated to form high temperature fresh water using residual heat of electric power plant recyclable device, is then delivered to use by hydro-thermal alliance conveyance conduit
Family region, the first end heating plant group and second end heating plant group of user area are by the heat extraction in high temperature fresh water
Heat supply is realized out, and the fresh water after falling to a certain temperature supplies user by system water supply pipe and used；Between non-heating period, electricity
Factory's waste-heat recovery device and end heating plant group shut down, and the first control valve and the second control valve are opened, third control
Valve processed is closed, and the room temperature fresh water that desalination plant is produced passes through the first bypass pipe, hydro-thermal alliance conveyance conduit and the
Two bypass pipes are delivered to system water supply pipe supply user and are used.
The invention adopts the above technical scheme, which has the following advantages: 1, the present invention is original discarded due to using
Residual heat of electric power plant preparing fresh, production heat, therefore there is significant energy-saving and emission-reduction benefit.2, the present invention can be effectively relieved currently
The generally existing water shortage in north city lacks heat problem, simultaneously because using modes such as sea water desalination water supply and waste heat for supplying, it is also rich
The rich water source diversity and heat source diversity in city, enhances the safety guarantee performance of water-supply systems and heating system.3,
The present invention is due to passing through hydro-thermal alliance, it is only necessary to the aqueduct of a set of band heat preservation irreversibly delivered can be realized hydro-thermal point for when need
The function of wanting two circuits to be just able to achieve, therefore pipeline investment cost and operation expense are significantly reduced, to substantially mention
Height supplies water, the economic of heat supply conveys radius, and economy conveying radius is up to 200 kilometers or more.
Detailed description of the invention
Fig. 1 is system flow schematic diagram of the invention.
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the invention proposes a kind of systems for realizing hydro-thermal alliance using residual heat of electric power plant, including it is arranged in electricity
The output end of the desalination plant 1 and residual heat of electric power plant recyclable device 2 of factory side, desalination plant 1 passes through the first pipeline 3 and electricity
The input terminal of factory's waste-heat recovery device 2 connects, and the output end of residual heat of electric power plant recyclable device 2 is connect with hydro-thermal alliance conveyance conduit 4,
Hydro-thermal alliance conveyance conduit 4 extends to the user area with water, heat demand, connect with heat supply high-temperature conduit 5.In user area
It is inside provided with first end heating plant group 6, the input terminal of first end heating plant group 6 is connect with heat supply high-temperature conduit 5, the
The output end of one end heating plant group 6 connects heat supply low temperature water pipe 7.When the water temperature of heat supply low temperature water pipe is higher, in user
Second end heating plant group 8, the input terminal and heat supply low temperature water pipe 7 of second end heating plant group 8 are additionally provided in region
The output end of connection, second end heating plant group 8 connects system water supply pipe 9.In the first pipeline 3 and hydro-thermal alliance conveyance conduit
It is provided with the first bypass pipe 10 between 4, the first control valve 11 is set on the first bypass pipe 10；In hydro-thermal alliance conveyance conduit
It is provided with the second bypass pipe 12 between 4 and system water supply pipe 9, the second control valve 13 is set on the second bypass pipe 12, is being
It is provided with third bypass pipe 14 between system water supplying pipe 9 and heat supply low temperature water pipe 7, third control valve is set on third bypass pipe 14
Door 15.
Further, system water supply pipe 9 connect with the processing equipment of water treatment plant or directly connect with water system.
Further, first end heating plant group 6 includes at least one first end heating plant 16.Work as first end
When heating plant is multiple, it is connected in parallel between each first end heating plant 16.Second end heating plant group 8 includes at least
One second end heating plant 17.When second end heating plant 17 is multiple, between each second end heating plant 17
It is connected in parallel.First end heating plant 16 and second end heating plant 17 are both connected in heat supply heat supply network 18.Every one first
End heating plant 16 or each second end heating plant 17 can be realized using any technology to be extracted fresh water heat and transmits
To the function of heat supply heat supply network 18.In a preferred embodiment, heat supply heat supply network 18 can be building heat supply network and small-scale concentration
Heat supply network, when end heat sink format is floor panel heating, supply water temperature can be 40/35 DEG C；First end heating plant 16
Using absorption heat exchange technology, second end heating plant 17 uses electrodynamic type heat pump heat supply technology.Realize for thermal flow process are as follows:
95 DEG C of fresh water pass through heat supply high-temperature conduit 5 first and are diverted to each first end heating plant using absorption heat exchange technology
16, fresh water temperature after heat supply is reduced to 20 DEG C, and subsequently into heat supply low temperature water pipe 7, the fresh water in heat supply low temperature water pipe 7 passes through
Using the second end heating plant 17 of electrodynamic type heat pump heat supply technology, fresh water temperature enters system after being further decreased to 10 DEG C
Water supplying pipe 9, eventually enters into water treatment plant.
Further, Power Plant Side is provided with steam turbine 19, can be desalination plant 1 and residual heat of electric power plant recyclable device 2
There is provided pumping and steam exhaust, wherein any production technology can be used in desalination plant 1, and residual heat of electric power plant recyclable device 2 utilizes pumping
The high efficiente callback of waste heat is realized using the flow process of step heating with the heat in steam exhaust, final water supply temperature is as far as possible
At 100 DEG C or less.In a preferred embodiment, the steam turbine 19 of Power Plant Side can choose the nuclear power station conventional positioned at seashore
Part can be transformed since steam turbine 19 has multiple low pressure (LP) cylinders in two steam turbines on island, separate unit generated output 1100MW
Low pressure (LP) cylinder, with the generating efficiency for improving steam exhaust temperature to meet the requirement of desalination plant 1, without influencing other low pressure (LP) cylinders；
Desalination plant 1 can use low temperature multiple-effect distillation technology, and using exhaust steam residual heat preparing fresh, water generation ratio is up to 6.45；Power plant
Waste-heat recovery device 2 can use steam exhaust condensing heat exchanger 20, absorption heat pump 21 and steam extraction vapor-water heat exchanger 22, step heating
Fresh water from desalination plant 1,97 DEG C of final supply water temperature.Based on 19 excess heat of steam turbine, sea water desalination water supply scale
It can be 540,000 ton/days, waste heat for supplying scale can be 1662MW.
Further, it is contemplated that heat supply, water supply and power generation process corporate security, the pumping of steam turbine 19, steam exhaust with
There was only heat exchange between desalination plant 1 and residual heat of electric power plant recyclable device 2, steam is not blended with fresh water；First end supplies
Thermal 16 and second end heating plant 17 only have heat to exchange between heat supply heat supply network 18 respectively, and fresh water and hot net water are not mixed
It is mixed.Retaining the original cooling system 23 of power plant can be switched fast when hydro-thermal co-feeding system breaks down, and guarantee steam turbine 19
Heat extraction is smooth.
Further, hydro-thermal alliance conveyance conduit 4 is using the aqueduct with insulating layer.In a preferred embodiment
In, hydro-thermal alliance aqueduct 4 is the direct-burried aqueduct that a diameter DN2000 has 60 mm of thickness polyurethane insulation coatings,
200 kilometers of duct length, along 2 DEG C of journey temperature drop, i.e. the fresh water temperature of arrival Demand-side is 95 DEG C；An initial station and one can be set
A booster pump station, pump head amount to 114mH2O, and pump power amounts to 14MW, and the unit water delivery electricity charge are 0.63kWh water per ton.
The invention also provides a kind of regulation methods of system that hydro-thermal alliance is realized using residual heat of electric power plant, it may be assumed that in heat supply
Period, residual heat of electric power plant recyclable device 2, first end heating plant group 6 and second end heating plant group 8 run well, and first
Control valve 11 and the second control valve 13 are closed, and are adjusted the control of third control valve door 15 and are flowed through second end heating plant group 8
Fresh-water flow, desalination plant 1 utilizes seawater preparing fresh, and fresh water using residual heat of electric power plant recyclable device 2 by being heated
At high temperature fresh water, user area, the first end heating plant of user area then are delivered to by hydro-thermal alliance conveyance conduit 4
Group 6 and second end heating plant group 8, which come out the heat extraction in high temperature fresh water, realizes heat supply, light after falling to a certain temperature
Water supplies user by system water supply pipe 9 and is used；Between non-heating period, residual heat of electric power plant recyclable device 2, first end are for hot charging
It sets group 6 and second end heating plant group 8 shuts down, the first control valve 11 and the second control valve 13 are opened, third
Control valve 15 is closed, and the room temperature fresh water that desalination plant 1 is produced passes through the first bypass pipe 10, hydro-thermal alliance conveyance conduit
4 and second bypass pipe 12 be delivered to system water supply pipe 9 supply user used.
In a preferred embodiment, desalination plant 1 annual can be run, load rate of plant up to 80% or more,
Residual heat of electric power plant recyclable device 2 can only be run during Heating Season, runing time four months, undertake basic load.Work as Heating Season
When stage residual heat of electric power plant recyclable device 2 is run, the first control valve 11 and the second control valve 13 are closed, third control valve door 15
It closes so that the fresh-water flow in second end heating plant group 8 is equal to the flow of system water supply pipe 9, hydro-thermal alliance conveyance conduit
What is flowed in 4 is 97 DEG C of high temperature fresh water below, and first end heating plant group 6 and second end heating plant group 8 start, this
When steam turbine 19 heating steam extraction is provided, provided steam exhaust is most of by desalination plant 1 and residual heat of electric power plant recycling dress
2 utilizations are set, enter cooling device 23 on a small quantity to guarantee that minimum load operates.When non-heating season stage residual heat of electric power plant recyclable device 2
When not running, the first control valve 11 and the second control valve 13 are opened, and third control valve door 15 is closed, hydro-thermal alliance delivery pipe
What is flowed in road 4 is room temperature fresh water, and first end heating plant group 6 and second end heating plant group 8 are not run, at this time vapour
Turbine 19 does not provide heating pumping, provides the higher steam exhaust of one temperature for sea water desalination, another burst of temperature is lower
Steam exhaust enters the condensation of cooling device 23.
Hydro-thermal co-feeding system of the present invention can have the annual water supply capacity of 1.58 billion cubic meters and 2300MW for thermal energy
Power, heat capacity are more than the heat that residual heat of electric power plant recyclable device 2 is confessed, the reason is that one that fresh water absorbs in desalting process
Heat is divided also to be utilized by first end heating plant group 6 and second end heating plant group 8.The energy of hydro-thermal co-feeding system at
It originally is the power consumption of pumping and steam exhaust using electrical equipment in caused steam turbine power generation amount reduction and system, after comprehensively considering
The energy consumption of unit heating load is 29.22kWh/GJ, and the energy consumption of unit water supply is 7.93kWh/ tons.The construction of hydro-thermal co-feeding system
Investment is 92.4 hundred million yuan, comprehensively considers depreciation, annual energy-consuming consumptive material expense and maintenance management expense that engineering equipment is invested
Afterwards, the economic cost of unit heating load is 19.33 yuan/GJ, and unit water supply cost is 6.36 yuan/ton, and wherein heat cost is remote
Lower than natural gas boiler, and water supply cost adds the cost of water process suitable with the south water to north to Beijing.In terms of energy-saving benefit, by
In using the pollution-free no discharge of nuclear power plant's waste heat, the heating load of annual 24000000 GJ can save 960,000 tons of standards of coal-fired consumption
Coal reduces 2,520,000 tons of CO2 emissions, reduces more than 8000 ton of SO2 emissions, reduces nitrogen oxide emission
More than 7000 tons.
The present invention is only illustrated with above-described embodiment, and structure, setting position and its connection of each component are all can have
Changed, based on the technical solution of the present invention, improvement that all principles according to the present invention carry out individual part and equivalent
Transformation, should not exclude except protection scope of the present invention.
Claims (7)
1. a kind of system for realizing hydro-thermal alliance using residual heat of electric power plant, it is characterised in that: the seawater including Power Plant Side is arranged in is light
Makeup, which is set, is returned with residual heat of electric power plant recyclable device, the output end of the desalination plant by the first pipeline and the residual heat of electric power plant
The input terminal of receiving apparatus connects, and the output end of the residual heat of electric power plant recyclable device is connect with hydro-thermal alliance conveyance conduit, the water
Hot alliance conveyance conduit is extended to water, the user area of heat demand and is connect with heat supply high-temperature conduit；In user area
It is provided with first end heating plant group, the input terminal of the first end heating plant group is connect with heat supply high-temperature conduit, institute
State the output end connection heat supply low temperature water pipe of first end heating plant group；Second end is additionally provided in the user area
Heating plant group, the input terminal of the second end heating plant group are connect with the heat supply low temperature water pipe, the second end
The output end of heating plant group connects system water supply pipe；It is arranged between first pipeline and the hydro-thermal alliance conveyance conduit
There is the first bypass pipe, the first control valve is set on first bypass pipe；The hydro-thermal alliance conveyance conduit with it is described
It is provided with the second bypass pipe between system water supply pipe, the second control valve is set on second bypass pipe；In the system
It is provided with third bypass pipe between water supplying pipe and the heat supply low temperature water pipe, third control valve is set on the third bypass pipe
Door.
2. the system for realizing hydro-thermal alliance using residual heat of electric power plant as described in claim 1, it is characterised in that: the system water supply
Pipe connect with the processing equipment of water treatment plant or directly connect with water system.
3. the system for realizing hydro-thermal alliance using residual heat of electric power plant as described in claim 1, it is characterised in that: the first end
Heating plant group includes at least one first end heating plant；It is each described when the first end heating plant is multiple
It is connected in parallel between first end heating plant；The second end heating plant group includes at least one second end for hot charging
It sets；When the second end heating plant is multiple, it is connected in parallel between each second end heating plant；Described first
End heating plant and the second end heating plant are both connected in heat supply heat supply network.
4. the system for realizing hydro-thermal alliance using residual heat of electric power plant as described in claim 1, it is characterised in that: the residual heat of electric power plant
Recyclable device uses steam exhaust condensing heat exchanger, absorption heat pump and steam extraction vapor-water heat exchanger.
5. the system for realizing hydro-thermal alliance using residual heat of electric power plant as claimed in claim 4, it is characterised in that: the Power Plant Side is set
It is equipped with for providing the steam turbine of pumping and steam exhaust for the desalination plant and residual heat of electric power plant recyclable device.
6. the system for realizing hydro-thermal alliance using residual heat of electric power plant as described in claim 1, it is characterised in that: the hydro-thermal alliance
Conveyance conduit uses the aqueduct with insulating layer.
7. a kind of regulation method for the system for realizing hydro-thermal alliance using residual heat of electric power plant as described in any one of claim 1 to 6,
It is characterized in that:
During heat supply, residual heat of electric power plant recyclable device and end heating plant group run well, the first control valve and the second control
Valve processed is closed, and the fresh-water flow that the control of third control valve door flows through second end heating plant group, desalination plant are adjusted
Using seawater preparing fresh, fresh water, which passes through, is heated to form high temperature fresh water using residual heat of electric power plant recyclable device, then joins by hydro-thermal
For conveying pipeline to user area, the first end heating plant group and second end heating plant group of user area will be high
Heat extraction in warm fresh water, which comes out, realizes heat supply, and the fresh water after falling to a certain temperature, which supplies user by system water supply pipe, to be made
With；
Between non-heating period, residual heat of electric power plant recyclable device and end heating plant group shut down, the first control valve and second
Control valve is opened, and third control valve door is closed, and the room temperature fresh water that desalination plant is produced passes through the first bypass pipe, hydro-thermal
Alliance conveyance conduit and the second bypass pipe are delivered to system water supply pipe supply user and are used.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711063281.5A CN107676842B (en) | 2017-11-02 | 2017-11-02 | The system of hydro-thermal alliance and the regulation method of the system are realized using residual heat of electric power plant |
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|---|---|---|---|
| CN201711063281.5A CN107676842B (en) | 2017-11-02 | 2017-11-02 | The system of hydro-thermal alliance and the regulation method of the system are realized using residual heat of electric power plant |
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| CN107676842B true CN107676842B (en) | 2019-09-27 |
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| CN108800268B (en) * | 2018-08-17 | 2023-07-04 | 国能龙源电力技术工程有限责任公司 | Heating system and method suitable for long-distance heat supply |
| CN112489843A (en) * | 2020-11-02 | 2021-03-12 | 中广核工程有限公司 | Nuclear power plant waste heat utilization system and nuclear power plant waste heat utilization method |
| CN114060888A (en) * | 2021-11-09 | 2022-02-18 | 清华大学 | Open single-tube long-distance water delivery system and water attack protection method |
| CN115183302A (en) * | 2022-07-14 | 2022-10-14 | 青岛力晨新材料科技有限公司 | Water-heat co-production and co-transmission power generation waste heat utilization system and power generation waste heat utilization method |
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| JP6092284B2 (en) * | 2015-03-23 | 2017-03-08 | 株式会社東芝 | Seawater desalination equipment |
| CN105841395B (en) * | 2016-04-01 | 2018-04-20 | 集美大学 | Light six co-generation system of thermoelectric cold steam heating of cryogenic energy utilization |
| CN206108988U (en) * | 2016-09-06 | 2017-04-19 | 大唐环境产业集团股份有限公司 | Utilize water treatment facilities of power plant's waste heat |
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